Is Space-Time Made of Atoms?

Is the solution to the quantum gravity problem, the biggest problem in physics, to split space-time into atoms?

In this video, we discussed Loop Quantum Gravity's solution to the quantum gravity problem.

How does Loop Quantum Gravity break space-time into discrete pieces?

What are the differences between Loop Quantum Gravity and String Theory?

What challenges does the theory face?

Above all, is Loop quantum gravity a testable theory?

If space-time atoms are out there, could we one day discover them?

#gravity #quantumphysics #generalrelativity

[Philomats]

You teach and ask questions at the same time.
I think many of your questions you ask, you might know the answer or hypotheses the answer through your empirical and theoretical knowledge during times of meditation.

[NaturalFuture]

By far, this is the best depiction I've seen on "atoms of spacetime." Loop quantum gravity serves as a foundation for building what's actually a theory of quantum spacetime. It makes sense that spacetime would be visualized as a field of atoms because:

(1) the astronomic objects which float upon spacetime are made of atoms, so why not the spacetime itself upon which they float?

(2) Quantum Field Theory says that everything is ultimately reducible to excitations of quantum fields, making atoms of spacetime excitations of a quantum spacetime field.

(3) Theoretical physicists working on a "Theory of Everything" are proving by means of accelerators such as the LHC that ultimately the particles, forces, and fields of nature are related by virtue of the fact that in the first fractions of the first second in the lifetime of this universe (and, if Penrose's CCC theory is correct, even before that) they were all part of a singular electonuclear super force. The first component to burst forth was Guth's inflation field---which, as it expanded outward, carried with it the other force-fields which decayed into their respective subatomic and atomic expressions. If the universe's other fields came to express themselves as atomic and subatomic particles and force-carriers, why not also the inflation field? As it cooled, it would've also decayed into similar components---particles and force-carriers.

As you said, hopefully, we'll someday have proof this is true. Hopefully, also, we'll use that know to realize the many advanced technologies of Star Trek.and become at last an advanced spacefaring civilization.

[frezzyparker]

What’s The Math On This Subject!!?? Can You Send Me A Picture Of It And A Model For Better Understanding??

[RusBoh]

Space is a space, - empty and infinite. Everything in it is "processes" what we call physical or we call time and what we can observe to some extent and improving this ability to observe, understand how it works and to make new patterns of processes by knowing its rules. We need to accept the space as it is, and to pay attention on processes in it, because only this gives us new answers.